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  Topic: November 2020 Amendments to IS 1893 Part 1: 2016 and IS 13920: 2016
aditya

Replies: 1
Views: 1370

PostForum: SEFI General Discussion   Posted: Sun Dec 13, 2020 12:31 pm   Subject: November 2020 Amendments to IS 1893 Part 1: 2016 and IS 13920: 2016
Dear Sefians,
It came to my notice that BIS has released November 2020 Amendments (Amendment No. 2) to the two important codes: IS 1893 Part 1: 2016 & IS 13920: 2016. Actually, everybody must be ...
  Topic: Time Period in design softwares
aditya

Replies: 11
Views: 2618

PostForum: SEFI General Discussion   Posted: Mon Nov 30, 2020 8:24 am   Subject: Time Period in design softwares
Dear Sefian,
In Staad.Pro, one needs to define "Seismic Definition" for auto-seismic load generation. It can be done through graphical user interface screen or directly as command line para ...
  Topic: Time Period in design softwares
aditya

Replies: 11
Views: 2618

PostForum: SEFI General Discussion   Posted: Sun Nov 29, 2020 3:12 pm   Subject: Time Period in design softwares
Dear Sefian,
As I stated earlier, clause 7.7.3 of IS 1893 Part 1: 2016 requires comparison of two values of base shears when we carry out dynamic analysis:
a) Base Shear obtained though Seismic Coef ...
  Topic: Time Period in design softwares
aditya

Replies: 11
Views: 2618

PostForum: SEFI General Discussion   Posted: Sun Nov 29, 2020 3:35 am   Subject: Time Period in design softwares
Dear Sefian,
Please find attached herewith the extract from ETABS Lateral Force Manual on time period calculation as applicable to IS 1893 Part 1: 2016 and its explanations for your reference.
with ...
  Topic: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
aditya

Replies: 9
Views: 3422

PostForum: SEFI General Discussion   Posted: Sat Nov 28, 2020 4:17 pm   Subject: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
Dear Sir,
We generally do linear interpolation for obtaining the stress values corresponding to strains on rebars on the basis of the the six reference strains & the corresponding stress values a ...
  Topic: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
aditya

Replies: 9
Views: 3422

PostForum: SEFI General Discussion   Posted: Thu Nov 26, 2020 3:55 pm   Subject: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
Dear Respected Sirs,
Thanks for the suggestions. However, I would like to request you to study the attached example in which it can be observed that the stress values obtained from the fitted polynom ...
  Topic: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
aditya

Replies: 9
Views: 3422

PostForum: SEFI General Discussion   Posted: Sun Nov 01, 2020 10:23 am   Subject: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
[FONT=Verdana, Arial, Helvetica, sans-serif][HIGHLIGHT=#efefef]Dear Respected Subramanian Sir,[/HIGHLIGHT][/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif][HIGHLIGHT=#efefef]Thanks a lot for the n ...
  Topic: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
aditya

Replies: 9
Views: 3422

PostForum: SEFI General Discussion   Posted: Thu Oct 29, 2020 2:23 pm   Subject: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
Dear Respected Subramanian Sir,
Thanks a lot for suggesting the corrections in sign of the approximate equation for stress-strain relation of HYSD bars as per IS 456: 2000. The corrections will also ...
  Topic: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
aditya

Replies: 9
Views: 3422

PostForum: SEFI General Discussion   Posted: Mon Oct 26, 2020 6:15 am   Subject: Approximate Equation for Curvillinear portion of Stress-strain Curve of HYSD Rebars
Dear Sefians,
This is with regard to the approximate equation for design stress-strain curve for HYSD rebars in RCC as given under page 149 in the book "Design of Reinforced Concrete Structures& ...
  Topic: Clarification on computation of modification factor for tension reinforcement in IS 456: 2000
aditya

Replies: 4
Views: 2125

PostForum: SEFI General Discussion   Posted: Sun Jul 26, 2020 5:59 am   Subject: Clarification on computation of modification factor for tension reinforcement in IS 456: 2000
Dear Respected N. Subramanian Sir,
Actually, my query was related to the interpretation of p in the SP 24 formula for modification factor for tension reinforcement. If we take pt=pt , the result woul ...
 
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